GB2394827B - Magnetic detecting element having antiferromagnetic film having predetermined space in track width direction and method for manufacturing the same - Google Patents
Magnetic detecting element having antiferromagnetic film having predetermined space in track width direction and method for manufacturing the sameInfo
- Publication number
- GB2394827B GB2394827B GB0322332A GB0322332A GB2394827B GB 2394827 B GB2394827 B GB 2394827B GB 0322332 A GB0322332 A GB 0322332A GB 0322332 A GB0322332 A GB 0322332A GB 2394827 B GB2394827 B GB 2394827B
- Authority
- GB
- United Kingdom
- Prior art keywords
- manufacturing
- width direction
- same
- detecting element
- predetermined space
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/09—Magnetoresistive devices
- G01R33/093—Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/11—Magnetic recording head
- Y10T428/1107—Magnetoresistive
- Y10T428/1121—Multilayer
- Y10T428/1129—Super lattice [e.g., giant magneto resistance [GMR] or colossal magneto resistance [CMR], etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/11—Magnetic recording head
- Y10T428/1107—Magnetoresistive
- Y10T428/1143—Magnetoresistive with defined structural feature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/11—Magnetic recording head
- Y10T428/115—Magnetic layer composition
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/11—Magnetic recording head
- Y10T428/1157—Substrate composition
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/11—Magnetic recording head
- Y10T428/1171—Magnetic recording head with defined laminate structural detail
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/11—Magnetic recording head
- Y10T428/1193—Magnetic recording head with interlaminar component [e.g., adhesion layer, etc.]
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Hall/Mr Elements (AREA)
- Magnetic Heads (AREA)
- Thin Magnetic Films (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002293350 | 2002-10-07 | ||
JP2003048716A JP2004186658A (en) | 2002-10-07 | 2003-02-26 | Magnetic detecting element and its manufacturing method |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0322332D0 GB0322332D0 (en) | 2003-10-22 |
GB2394827A GB2394827A (en) | 2004-05-05 |
GB2394827B true GB2394827B (en) | 2005-09-28 |
Family
ID=29272408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0322332A Expired - Fee Related GB2394827B (en) | 2002-10-07 | 2003-09-24 | Magnetic detecting element having antiferromagnetic film having predetermined space in track width direction and method for manufacturing the same |
Country Status (3)
Country | Link |
---|---|
US (1) | US7045224B2 (en) |
JP (1) | JP2004186658A (en) |
GB (1) | GB2394827B (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7362546B2 (en) * | 2003-02-26 | 2008-04-22 | Alps Electric Co., Ltd | Spin-valve magnetoresistive element having fixed magnetic layer of epitaxal laminate including magnetic layer and nonmagnetic layer |
JP3961496B2 (en) | 2003-04-18 | 2007-08-22 | アルプス電気株式会社 | CPP type giant magnetoresistive head |
JP2005101423A (en) * | 2003-09-26 | 2005-04-14 | Alps Electric Co Ltd | Magnetic detecting element and its manufacturing method |
US7504038B2 (en) * | 2004-02-26 | 2009-03-17 | Hitachi Global Storage Technologies Netherlands B.V. | System, method, and apparatus for mechanically releasable slider processing including lapping, air bearing patterning, and debonding |
US7180716B2 (en) * | 2004-03-30 | 2007-02-20 | Headway Technologies, Inc. | Fabrication method for an in-stack stabilized synthetic stitched CPP GMR head |
US20050264951A1 (en) * | 2004-05-28 | 2005-12-01 | Hitachi Global Storage Technologies | Dual CPP GMR with synthetic free layer |
US7688555B2 (en) * | 2004-06-15 | 2010-03-30 | Headway Technologies, Inc. | Hard bias design for extra high density recording |
JP2006005282A (en) * | 2004-06-21 | 2006-01-05 | Alps Electric Co Ltd | Magnetic detecting element |
JP2006005278A (en) * | 2004-06-21 | 2006-01-05 | Alps Electric Co Ltd | Magnetic detecting element |
DE102004032484B3 (en) * | 2004-07-05 | 2005-11-24 | Infineon Technologies Ag | Sensor and method for manufacturing a sensor |
JP5046189B2 (en) | 2005-10-03 | 2012-10-10 | 日本電気株式会社 | Magnetic random access memory |
CN102707246B (en) * | 2011-03-28 | 2016-01-20 | 新科实业有限公司 | Measure the method for longitudinal bias field in tunnel magneto resistance sensor |
US8822046B2 (en) * | 2012-04-30 | 2014-09-02 | Seagate Technology Llc | Stack with wide seed layer |
US9129622B2 (en) * | 2013-03-15 | 2015-09-08 | Tdk Corporation | CPP-type magnetoresistance effect element and magnetic disk device |
US9177588B2 (en) | 2014-01-17 | 2015-11-03 | HGST Netherlands B.V. | Recessed IRMN reader process |
JP6747836B2 (en) * | 2016-03-23 | 2020-08-26 | アルプスアルパイン株式会社 | Magnetic sensor and manufacturing method thereof |
WO2019142635A1 (en) * | 2018-01-17 | 2019-07-25 | アルプスアルパイン株式会社 | Magnetic detection device and method for manufacturing same |
WO2019142634A1 (en) * | 2018-01-17 | 2019-07-25 | アルプスアルパイン株式会社 | Magnetic detection device and method for manufacturing same |
JP7136137B2 (en) * | 2020-01-29 | 2022-09-13 | Tdk株式会社 | Magnetic sensor, magnetic detection device and magnetic detection system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000163717A (en) * | 1998-11-24 | 2000-06-16 | Fujitsu Ltd | Magnetoresistance effect element |
US20020069511A1 (en) * | 2000-12-11 | 2002-06-13 | Alps Electric Co., Ltd. | Method for manufacturing exchange bias type magnetic field sensing element |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2931523B2 (en) | 1994-06-24 | 1999-08-09 | ティーディーケイ株式会社 | Method for manufacturing thin-film magnetic head |
US5949623A (en) * | 1997-09-11 | 1999-09-07 | International Business Machines Corporation | Monolayer longitudinal bias and sensor trackwidth definition for overlaid anisotropic and giant magnetoresistive heads |
JP3710324B2 (en) * | 1999-06-03 | 2005-10-26 | アルプス電気株式会社 | Spin valve thin film magnetic element, thin film magnetic head, and method of manufacturing spin valve thin film magnetic element |
JP4349501B2 (en) | 1999-06-25 | 2009-10-21 | 株式会社日立プラズマパテントライセンシング | Driving method of plasma display panel |
JP2001216612A (en) * | 2000-01-31 | 2001-08-10 | Alps Electric Co Ltd | Spin valve type thin film magnetic element and thin film magnetic head provided with the same |
JP2001256617A (en) | 2000-03-14 | 2001-09-21 | Matsushita Electric Ind Co Ltd | Thin-film magnetic head and method of manufacture |
JP2003162806A (en) * | 2001-11-27 | 2003-06-06 | Hitachi Ltd | Perpendicular magnetic recording medium and magnetic storage device |
US6751072B2 (en) * | 2002-03-21 | 2004-06-15 | Hitachi Global Storage Technologies Netherlands B.V. | High magnetoresistance spin valve sensor with self-pinned antiparallel (AP) pinned layer structure |
JP2004186659A (en) * | 2002-10-07 | 2004-07-02 | Alps Electric Co Ltd | Magnetic detecting element |
US7362546B2 (en) * | 2003-02-26 | 2008-04-22 | Alps Electric Co., Ltd | Spin-valve magnetoresistive element having fixed magnetic layer of epitaxal laminate including magnetic layer and nonmagnetic layer |
JP3974587B2 (en) * | 2003-04-18 | 2007-09-12 | アルプス電気株式会社 | CPP type giant magnetoresistive head |
-
2003
- 2003-02-26 JP JP2003048716A patent/JP2004186658A/en active Pending
- 2003-09-24 GB GB0322332A patent/GB2394827B/en not_active Expired - Fee Related
- 2003-09-30 US US10/675,435 patent/US7045224B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000163717A (en) * | 1998-11-24 | 2000-06-16 | Fujitsu Ltd | Magnetoresistance effect element |
US20020069511A1 (en) * | 2000-12-11 | 2002-06-13 | Alps Electric Co., Ltd. | Method for manufacturing exchange bias type magnetic field sensing element |
Also Published As
Publication number | Publication date |
---|---|
US7045224B2 (en) | 2006-05-16 |
GB2394827A (en) | 2004-05-05 |
JP2004186658A (en) | 2004-07-02 |
US20050276997A1 (en) | 2005-12-15 |
GB0322332D0 (en) | 2003-10-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
746 | Register noted 'licences of right' (sect. 46/1977) |
Effective date: 20090305 |
|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20100924 |